package Main;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by zxp on 2016/11/13.
 */
public class test {


    public static void main(String[] args) {

        int value = Integer.valueOf("23");

        System.out.println(value);


        String str = "DSfvgfsdgFDS gvdGR";
        System.out.println(str.toLowerCase());


        Map<String,Integer> map = new HashMap<>();

        int count = 0;
        for (Map.Entry<String, Integer> e : map.entrySet()){
            count++;

            System.out.println(e.getKey()+"   "+e.getValue());

            if (count>20){
                break;
            }
        }


    }





}
